<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="flexible" content="initial-dpr=2">
    <!-- <meta name="viewport" content="width=device-width,initial-scale=1.0"> -->
    <!-- <script src="http://g.tbcdn.cn/mtb/lib-flexible/0.3.4/??flexible_css.js,flexible.js"></script> -->
    <title>腾科教育</title>
    <script>
      var dpr,scale
      if (!dpr && !scale) {
          var isAndroid = window.navigator.appVersion.match(/android/gi);
          var isIPhone = window.navigator.appVersion.match(/iphone/gi);
          var devicePixelRatio = window.devicePixelRatio;
          if (isIPhone) {
              // iOS下，对于2和3的屏，用2倍的方案，其余的用1倍方案
              if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) {                
                  dpr = 3;
              } else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)){
                  dpr = 2;
              } else {
                  dpr = 1;
              }
          } else {
              // 其他设备下，仍旧使用1倍的方案
              dpr = 1;
          }
          scale = 1 / dpr;
      }
    </script>
  </head>
  <body>
    <noscript>
      <strong>We're sorry but vue-demo doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
    </noscript>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>
